TX-100/water/1-butyl-3-methylimidazolium Hexafluorophosphate Microemulsions

Yanan Gao, Shuaibing Han, Buxing Han, Ganzuo Li, Dong Shen, Zhonghao Li, Jimin Du, Wanguo Hou, Gaoyong Zhang

Langmuir. 2005 Jun 21;21(13):5681-4.

PMID: 15952808

Abstract:

Both ionic liquids and water are typical green solvents. In this work, the phase behavior of the ternary system consisting of ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate (bmimPF6), TX-100, and water was determined at 25.0 degrees C. The water-in-bmimPF6, bicontinuous, and bmimPF6-in-water microregions of the microemulsions were identified by cyclic voltammetry method using potassium ferrocyanide K4Fe(CN)6 as the electroactive probe. Dynamic light scattering (DLS) and the UV-vis method were used to characterize the microemulsions. It was demonstrated that the hydrodynamic diameter (Dh) of the bmimPF6-in-water microemulsions is nearly independent of the water content but increases with increasing bmimPF6 content due to the swelling of the micelles by the ionic liquid. The UV-vis further confirmed the existence of water domains in the water-in-bmimPF6 microemulsions, and the salt potassium ferricyanide K3Fe(CN)6 could be dissolved in the water domains.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP174501645	1-Butyl-3-methylimidazolium hexafluorophosphate		174501-64-5	Price